<template>
    <div>
        <div>约课情况 </div>
        <div>当前状态：{{ selLesson.status }},已约{{ page.total }}人</div>
        <div>约课设置: 最少0人,最多{{ selLesson.studentCount }}人</div>
        <div style="line-height: 45px; text-align: right; ">
            <el-button size="small" type="primary" @click="handleAddStudents">添加约课学员 </el-button>
            <el-button size="small" type="primary">批量点名 </el-button>
        </div>
        <avue-crud   :option="option" v-model:search="search" v-model:page="page" v-model="form" :table-loading="loading"
            :data="data" :permission="permissionList" :before-open="beforeOpen" ref="crud" @row-update="rowUpdate"
            @row-save="rowSave" @row-del="rowDel" @search-change="searchChange" @search-reset="searchReset"
            @selection-change="selectionChange" @current-change="currentChange" @size-change="sizeChange"
            @refresh-change="refreshChange" @on-load="onLoad">
            <template #menu-left>
                <el-button type="danger" icon="el-icon-delete" plain v-if="permission.qyPreBook_delete"
                    @click="handleDelete">删 除
                </el-button>
                <el-button type="warning" plain icon="el-icon-download" @click="handleExport">导 出
                </el-button>
            </template>
        </avue-crud>


        <el-dialog title="选择要约课的学员" append-to-body  destroy-on-close v-model="dialogTag" width="600px">
            <qyPreBookAdd :lesson="selLesson" @cancel="dialogTag=false" @reload="refreshChange"></qyPreBookAdd>
        </el-dialog>



    </div>
</template>

<script>
import { getList, getDetail, add, update, remove } from "@/api/schedule/qyPreBook";
 
import option from "@/option/schedule/qyPreBook";
import { mapGetters } from "vuex";
import { exportBlob } from "@/api/common";
import { getToken } from '@/utils/auth';
import { downloadXls } from "@/utils/util";
import { dateNow } from "@/utils/date";
import NProgress from 'nprogress';
import 'nprogress/nprogress.css';
import qyPreBookAdd from './qyPreBookAdd.vue'
export default {
    components:{qyPreBookAdd},
    props:{
        lesson:String
    },
    
    watch:{
        lesson(val){ 
            this.selLesson = val;
            this.onLoad(this.page, val);
            console.log(`output->val`,val)
        }
    },
    data() {
        return {
            form: {},
            query: {},
            search: {},
            loading: true,
            dialogTag: false,
            page: {
                pageSize: 10,
                currentPage: 1,
                total: 0
            },
            selectionList: [],
            option: option,
            selLesson:{},
            data: [],
            
        };

    },
    computed: {
        ...mapGetters(["permission"]),
        permissionList() {
            return {
                addBtn: this.validData(this.permission.qyPreBook_add, true),
                viewBtn: this.validData(this.permission.qyPreBook_view, true),
                delBtn: this.validData(this.permission.qyPreBook_delete, true),
                editBtn: this.validData(this.permission.qyPreBook_edit, true)
            };
        },
        ids() {
            let ids = [];
            this.selectionList.forEach(ele => {
                ids.push(ele.id);
            });
            return ids.join(",");
        }
    },
    methods: {
        handleAddStudents() {
            // this.dialogTag = true;
            this.dialogTag = true;
            
           
        },
        handleChange(value, direction, movedKeys) {

        },
        rowSave(row, done, loading) {
            add(row).then(() => {
                this.onLoad(this.page);
                this.$message({
                    type: "success",
                    message: "操作成功!"
                });
                done();
            }, error => {
                loading();
                window.console.log(error);
            });
        },
        rowUpdate(row, index, done, loading) {
            update(row).then(() => {
                this.onLoad(this.page);
                this.$message({
                    type: "success",
                    message: "操作成功!"
                });
                done();
            }, error => {
                loading();
                console.log(error);
            });
        },
        rowDel(row) {
            this.$confirm("确定将选择数据删除?", {
                confirmButtonText: "确定",
                cancelButtonText: "取消",
                type: "warning"
            })
                .then(() => {
                    return remove(row.id);
                })
                .then(() => {
                    this.onLoad(this.page);
                    this.$message({
                        type: "success",
                        message: "操作成功!"
                    });
                });
        },
        handleDelete() {
            if (this.selectionList.length === 0) {
                this.$message.warning("请选择至少一条数据");
                return;
            }
            this.$confirm("确定将选择数据删除?", {
                confirmButtonText: "确定",
                cancelButtonText: "取消",
                type: "warning"
            })
                .then(() => {
                    return remove(this.ids);
                })
                .then(() => {
                    this.onLoad(this.page);
                    this.$message({
                        type: "success",
                        message: "操作成功!"
                    });
                    this.$refs.crud.toggleSelection();
                });
        },
        handleExport() {
            let downloadUrl = `/xrsk-qyClasses/qyPreBook/export-qyPreBook?${this.website.tokenHeader}=${getToken()}`;
            const {
            } = this.query;
            let values = {
            };
            this.$confirm("是否导出数据?", "提示", {
                confirmButtonText: "确定",
                cancelButtonText: "取消",
                type: "warning"
            }).then(() => {
                NProgress.start();
                exportBlob(downloadUrl, values).then(res => {
                    downloadXls(res.data, `预约${dateNow()}.xlsx`);
                    NProgress.done();
                })
            });
        },
        beforeOpen(done, type) {
            if (["edit", "view"].includes(type)) {
                getDetail(this.form.id).then(res => {
                    this.form = res.data.data;
                });
            }
            done();
        },
        searchReset() {
            this.query = {};
            this.onLoad(this.page);
        },
        searchChange(params, done) {
            this.query = params;
            this.page.currentPage = 1;
            this.onLoad(this.page, params);
            done();
        },
        selectionChange(list) {
            this.selectionList = list;
        },
        selectionClear() {
            this.selectionList = [];
            this.$refs.crud.toggleSelection();
        },
        currentChange(currentPage) {
            this.page.currentPage = currentPage;
        },
        sizeChange(pageSize) {
            this.page.pageSize = pageSize;
        },
        refreshChange() {
            this.onLoad(this.page, this.query);
        },
        onLoad(page, params = {}) {
            this.loading = true;

            const {
            } = this.query;

            let values = {
                lessonId: this.selLesson.id
            }; 

            getList(page.currentPage, page.pageSize, values).then(res => {
                const data = res.data.data;
                this.page.total = data.total;
                this.data = data.records;
                this.loading = false;
                this.selectionClear();
            });
        }
    }
};
</script>

<style scoped>
:deep(.el-transfer) {
    display: flex;

}

/* :deep(.el-transfer__buttons){
    display: block;
} */

:deep(.el-transfer__button) {
    vertical-align: bottom;
}
</style>
